Henderson Flag

Henderson

County:
Knox County
County Seat:
No
Area (mi²):
0.265
State:
Illinois

Henderson is a village located in Knox County, Illinois. Henderson has a 2026 population of 254. Henderson is currently declining at a rate of -0.39% annually and its population has decreased by -3.05% since the most recent census, which recorded a population of 262 in 2020.

The median household income in Henderson is $57,875 with a poverty rate of 23.67%. The median age in Henderson is 27.5 years: 22.4 years for males, and 42.5 years for females. For every 100 females there are 134.7 males.

254
Total Population
958
Density (mi²)
-1 -0.39%
Growth

Henderson Population

Henderson Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026254-1-0.39%
2025255-2-0.78%
202425710.39%
202325600%
2022256-4-1.54%
2021260-2-0.76%
2020262-1-0.38%
2019244-2-0.81%
2018246-3-1.2%
2017249-1-0.4%
2016250-2-0.79%
2015252-3-1.18%
201425500%
2013255-1-0.39%
2012256-2-0.78%
201125831.18%
201025900%

Median Age

Overall: 27.5 years
Female: 42.5 years
Male: 22.4 years

Henderson Adults

There are 182 adults, (60 of whom are seniors) in Henderson.

Sex Ratio

Female: 121 (42.6%)
Male: 163 (57.4%)

Demographics

The racial composition of Henderson includes 76.41% White, 7.39% Black or African American, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White21776.41%
Two or more races4616.2%
Black or African American217.39%
Race
Population ↓
Percentage (of total)
Two or more races248.45%
White62.11%
Race
Population ↓
Percentage (of total)
White21174.3%
Two or more races227.75%
Black or African American217.39%

Henderson Marital Status

Economics and Income Statistics

Henderson 's average per capita income is $41,667. Household income levels show a median of $57,875. The poverty rate stands at 23.67%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$96,250-
Families$58,958$73,281
Households$57,875$65,018
Non Families$43,750$50,689

$41,667

Average Income

$57,875

Median Household Income

23.67%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)